[jdk8u-dev] RFR: 8345504: Bump update version of OpenJDK: 8u452

[Andrew John Hughes]

Rampdown for 8u442 [has begun](https://mail.openjdk.org/pipermail/jdk8u-dev/2024-December/019551.html). 8u-dev needs to transition to 8u452.

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Commit messages:
 - 8345504: Bump update version of OpenJDK: 8u452

Changes: https://git.openjdk.org/jdk8u-dev/pull/609/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=609&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345504
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/609.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/609/head:pull/609

PR: https://git.openjdk.org/jdk8u-dev/pull/609